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A person can read a book clearly only if he holds it at an arm’s length from him. Name the defect of vision : (a) if the person is an old man (b) if the person is a young man
The Human Eye and Colourful World
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28/08/2021 7:28 pm
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A person can read a book clearly only if he holds it at an arm’s length from him. Name the defect of vision :
(a) if the person is an old man
(b) if the person is a young man
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28/08/2021 7:29 pm
(a) Presbyopia
(b) Hypermetropia
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